Voice Over Internet Protocol is a name of a family of technologies that allows transmission of voice over an established network connection. What is usually discussed, though, is Internet Telephony - bidirectional voice (and lately video) transmission over public networks.

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How do I setup a Polycom phone over internet connection sharing?

What are the Internet Connection Sharing settings that I need so that I can have my Polycom phone utilize my wireless connection? The physical configuration is as follows: Computer accesses the ...
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244 views

Are there any free voice changing programs for Windows?

I would like to be able to change my voice in real-time while using any chatting software. This would include Skype and any IP-phone software. I found Clownfish for Skype, but was looking for ...
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286 views

Good quality audio conferencing without a headset

I work at home and am doing a lot more video conferencing than I used to. I also use a softphone on the computer for most of my phone calls as well. Particularly when video conferencing I would like ...
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2answers
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What is the difference between a VoIP phone and a SIP phone? [closed]

I was under the impression that SIP is a protocol for the initiation of communication between applications, and that the protocol VoIP is for the transmission over an established pair of IP addresses ...
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99 views

VoiP to connections?

I have been recently playing with AsterixNow and got a nice network set-up with trunks and sips. Outgoing calls go to a VoIP provider that charge me say 2pence per minute for local mobile. I have been ...
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791 views

How to set up a home SIP Server/Proxy for multi ring?

I have a sip account which only allows one device to be registered. When i'm at home I want incoming calls to be able to ring on multiple devices. All of these devices are connected to the local ...
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413 views

No XMPP client to talk to, us (partial JID) : asterisk

I am attempting to setup asterisk with my google voice account and not having much success. When I attempt to dial out, I get this error: No XMPP client to talk to, us (partial JID) : asterisk ...
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3answers
754 views

Will VPN will slow down VOIP traffic?

If I have a Linux setup with VPN in Paris and a Linux setup with VPN in London, both with high-speed internet, will packet-switching be slower for VOIP than if I didn't use VPN? A few people have ...
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4k views

QoS in the wireless router for viber

I am connecting my iPhone 3GS to my wireless home network using Viber (VOIP). As I am getting poor sound quality as other in the house are downloading, etc. I'd like to create a QoS rule in my router ...
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736 views

iptables + vpnc + Cisco IP Phone 7941

I have a Linux gateway with kernel 2.6.39 connected to a Cisco ASA 5500 with vpnc. I'm using iptables with masquerading and forwarding to give the LAN access to the tun0 device connected to the VPN. ...
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487 views

What are the internal workings of Google Voice?

I am new to Google Voice and am interested in how it works internally so I have few doubts about it. Is the Google Voice number itself a SIP number? How does Google Voice receive calls from any PSTN ...
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Videoconferencing software that degrades framerate rather then resolution

Is there a video-conferencing software that can be set to degrade framerate rather then resolution when the intervening connection is slow? I do a significant amount of remote collaborative work. ...
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448 views

Not able to answer call

Got a Cisco Sipura SPA 941 hardware phone and I am connected to Asterix (most likely) VoIP server of my provider. I am behind a firewall (ADSL) and I have put my phone to the DMZ zone, so it should ...
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How to connect a remote IP Phone to our VOIP Network?

We have an IP phone system in our office, and about 8 VoIP phones running on the system. We have a remote worker, who is literally states away. We'd like to connect his phone to our VoIP network, so ...
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314 views

How can I call from my PC?

Is there a way to just take a number of some web page and dial it? Perhaps route it via my iPhone? The scenario I am talking about is this: let's say I am looking for an apartment on craigslist. ...
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404 views

Is a static IP required for a Cisco 7000 series VoIP phone?

my girlfriend will begin working from home, and she needs to hook her Cisco 7000 series Voice over IP phone up to our existing DSL account. The phone provider's tech support said that there was no ...
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329 views

Hooking up iMac, DSL modem, router, VoIP box and ROKU

I want to hoop up iMac, DSL modem, router, VoIP box and ROKU. How do I begin? I've read to go from wall to modem to router to VOIP, then I guess I'd just get another cable to hook the ROKU to the ...
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369 views

Skype dial out shortcut

I've created shortcut on desktop which looks like this "C:\Program Files\Skype\Phone\Skype.exe" "/callto:echo123" However, whenever I run the shortcut I have firefox open with Launch Application ...
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1k views

One way broadcast of SIP call using Wowza

I have a POTS conference call taking place and I want to live stream the audio over the internet using Wowza. My plan is to dial into the conference call essentially bridging the audio onto the Wowza ...
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Replacing my home phone with a VOIP solution?

I'm considering replacing my expensive home phone line with a VOIP option, but want to make sure I'm prepared for what to expect. I have a high-speed internet connection, and a (nearly) always-on ...
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399 views

Ohphone - where to download for CentOS/Fedora distributions?

I'm using a project which mentioned I need to used ohphone. However I can't find any Fedora/CentOS versions of ohphone that work with OpenH323. Does anyone know where I could find that?
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Is it possible to run Skype on my NAS or DD-WRT?

Ok so here is my setup: Qnap NAS > TS-210 Gigabit router/switch with DD-WRT (big-generic) multiple PC's 1 usb-to-phone box > Trust ST-1200 Internet Phone Station (this is pretty old...) 1 phone ...
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354 views

How to install H.239? From the H323plus or openh323gk or where?

I have downloaded this, but i dont see in the ./configure output anything related to h.239. Any idea? downloaded ex: http://waix.dl.sourceforge.net/project/openh323gk/Sources/2.3.3/ config.status: ...
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316 views

Skype call recording with real-time annotation / markers?

There are plenty of applications to record Skype calls, but I am looking for one that allows you to place "chapter markers" or any sort of bookmarks or annotations at certain points in the call in ...
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Windows 7: How do I listen to music on the computer's speakers, and take calls over a headset, without having to unplug/plugin the headset?

I like hearing most audio over my computer's speakers. I like taking calls using a wired headset. I have a random HP desktop PC that came pre-installed with Windows 7, 64. It has Realtek Audio and ...
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247 views

Windows utility to monitor VoIP?

I no longer have a landline and rely on a VoIP provider to call/receive calls through the PSTN. It generally works well, but sometimes, end-users complain of low call quality, even when my ADSL line ...
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How to make calls from a remote computer through my land-line phone?

I have a great land-line phone plan; I barely use all of the minutes. Is possible to add a modem/server system so that I can make calls through this line via the internet when I am away? What kind ...
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555 views

VoIP (on a landline) vs SIP (on mobile)? What do I miss not using VoIP

A bit of a background. Thinking of moving away from a softphone, which I predominantly use for a long distance calls, a few months ago I got myself a Linksys SPA3000, got it configured (was not easy, ...
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program to dial land phone, enter password and record?

is there a program for Windows (or linux command line) platform that would do below from a command line? call a land phone number (using my SIP account) enter password record the call finishes after ...
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How to set up personal VoIP server?

I'm looking to run my own VoIP server so I can make and record calls and the like. I need to basically bind a phone number to the server and me able to call it and use it as a regular phone. I'm new ...
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620 views

Connect a PC to PSTN network

I have a land-line phone through my ISP. I use it to call land-line phones free of charge like phones in Europe etc. what I want to do is that I want to use this service from any PC so I can call any ...
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35 views

How to split registration and media?

I have a SIP project. Where i will have SIP server running. Server will do following: will only do routing and receive incoming calls But the audio/video will be peer 2 peer Can this be done with ...
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Voice activated and silence deactivated audio recording software

I plugged my PBX into the microphone hole in my PC's sound card, in order to record all activity on my PBX in MP3 format. I am using the software called "Recordpad", by NCH. The problem is the ...
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563 views

free voice activated sound recording software

I connected my PBX to the sound card of my Windows XP PC, using a special interface hardware. I want to record all the sound into MP3 format. Please reccomend a free software that can record only ...
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2answers
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TeamSpeak 3 Disconnects

I've recently had a few random TS3 mass disconnects and I'm am curious to know where I may find any applications that can help me determine the cause of any types of TS3 server disconnections as we ...
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148 views

Go for VoIP or Skype? [closed]

I'm looking to implement a communication system which will cut down our company's costs. I was suggested to go with VoIP or simply Skype. Can anyone suggest why one would be better than the other? We ...
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Softphone for 64-bit Windows 7 to make SIP calls without registering with a SIP proxy?

We have test tools that require us to call SIP addresses like localhost:5061. I used to use SJPhone on Windows XP, and an older version of X-lite, which both worked fine, and didn't require the SIP ...
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How do I see how much bandwidth my VoIP phone takes?

I have a VoIP Phone with Vonage where highspeed internet service with rogers. More recently my internet bandwith usage has gone up even though I am not suring internet that much (2.5 - 3 GB per day). ...
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Call someone on the same network using VOIP calls

Is there a VOIP software where I can call a friend on the same local network? I should be able to add friends via their local IP addresses and provided they have the same software installed, be able ...
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7k views

DrayTek 2820 configuration using public IP addresses

I have a /29 range of public IP addresses assigned to me by my ISP. I'm trying to configure a SIP VOIP handset to register with my VOIP provider who recommend using public IP addresses rather than ...
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767 views

How to Change SIP default port 5060

Port 5060 is blocked in our network, and I was wondering if it was possible to change it to 5222, which is a port used by Google Talk. If it is possible and I do change it, will I still be able to use ...
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3answers
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microsoft lync linux client [closed]

we are currently evaluating Microsoft Lync server (previously Microsoft Office Communications Server). It talks sip over TLS (TCP 5061) with SIMPLEmessaging, what linux client would you suggest to ...
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2answers
525 views

T1 and DSL, same switch, DHCP + VOIP… is this possible?

Need a little advice/help here. We're trying to use two separate Internet connections, through a single switch, with static IP for the T1 and DHCP (using a router) for the DSL. But we are also trying ...
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3answers
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Is the area code of this phone number 17, 170 or 1702? [closed]

This isn't really an application question, but StackExchange doesn't really have a VoIP/Phone forum from what I can see. Anyways, I have an Asterisk server setup at our office and its just on a ...
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1answer
672 views

Can you run DSL and T1 through a single switch for two different purposes?

I'm not quite sure this works, but my co-worker says it will. Details first: We have a small office of less than 10 PCs, and we use VOIP for our business phone line. All PCs require internet access. ...
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2answers
449 views

Is there an adapter to use a regular phone with Skype or Google Voice?

Is there an adapter to use a regular phone with Skype or Google Voice? I found this Dlink adapter but it is discontinued, any idea why? Will it still work in Canada and in the US? Any suggestions for ...
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29 views

Had seen an ad for a thumb drive like ATA device that has a RJ11 on the output and RJ45 on the input - what was it?

I seem to recall an ad for a thumb drive like ATA device that had a RJ11 jack that you could plug your DSL line to ( or maybe it was an Ethernet port) and on the other side you could hook up a ...
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1answer
319 views

My Ip phone can't login to my voip account with my new thomson router!

I have Thomson TG587N Wireless-N ADSL2+ Router from o2 and I have a Siemens Gigaset C475 IP Phone connected to one of their Ethernet ports. I have an account in voipcheap.com and I used to login in ...
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2answers
261 views

VOIP/Skype/GoogleVoice solution without a PC

In short, I'm looking to drop current VOIP provider (Cablevision/Optimum Voice) and go with cheaper standalone package BUT want to keep existing standard phone that plugs into their box. Does anyone ...
3
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2answers
2k views

SIP client to open a web page with caller ID

Does anyone know of a SIP client that can open a web page to a configurable URL when someone calls? We have a web-based database, and I'd like to search by phone number whenever we get an incoming ...